Bicycle



FIG. 1 is a perspective view of an embodiment of the design for a bicycle;

FIG. 2 is a lateral/side elevation view of the embodiment of the design of FIG. 1;

FIG. 3 is lateral/side elevation view of the embodiment of the design of FIG. 1 on the opposite side of the side depicted in FIG. 2;

FIG. 4 is a top plan view of the embodiment of the design of FIG. 1;

FIG. 5 is a bottom plan view of the embodiment of the design of FIG. 1;

FIG. 6 is a front elevation view of the embodiment of the design of FIG. 1; and,

FIG. 7 is a rear elevation view of the embodiment of the design of FIG. 1.

Any components or portions in the accompanying drawings shown in broken lines form no part of the claimed design or a specified embodiment thereof. 

CLAIM The ornamental design for a bicycle, as shown and described. 